Vaccinium corymbosum 'Polaris' (Half-High Blueberry 'Polaris') is a compact, cold-hardy half-high blueberry bred for reliable fruiting in northern gardens. You get a tidy shrub about 36-48 inches tall that still produces generous crops of firm berries with a bright, sweet-tart flavor, plus attractive foliage that colors up in fall.

Plant it where it will receive full sun for best flowering and fruit set, though it will tolerate part shade. Choose an acidic, organic-rich, moisture-retentive soil that drains well. Work in peat moss, pine fines, or other acidic organic matter to improve structure, and keep a mulch layer in place to help conserve moisture and protect the shallow roots.

Water regularly, especially during establishment and while fruit is sizing, aiming for evenly moist soil rather than soggy conditions. Blueberries appreciate consistent moisture, and mulching also helps reduce summer stress. If your site has heavy clay or standing water after rain, raise the bed to improve drainage before planting.

For best production, grow 'Polaris' near another compatible blueberry with a similar bloom time to improve pollination, then prune lightly as needed to maintain an open framework and encourage new fruiting wood. Harvest when the berries turn fully blue and release easily, and enjoy the plant as an edible ornamental in borders, mixed shrub beds, or dedicated berry rows.

Specifications

• Cold hardiness zone: 3-5 (-40 degrees F) - Contact your local extension to confirm hardiness if you are in a fringe zone (we cannot guarantee hardiness in fringe zones)
• Light: Full sun   Part sun
• Mature height: 36-48"
• Spread: 36-48"
• Edible: Yes
• Native to the U.S.: Yes

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